scholarly journals One-step fabrication of a tunable nanofibrous well insert via electrolyte-assisted electrospinning

RSC Advances ◽  
2017 ◽  
Vol 7 (61) ◽  
pp. 38300-38306 ◽  
Author(s):  
Seongsu Eom ◽  
Sang Min Park ◽  
Seon Jin Han ◽  
Joon Wan Kim ◽  
Dong Sung Kim

One-step fabrication process of a nanofibrous well insert is developed. Both fabrication and integration of the nanofiber membrane on a Transwell insert could be achieved by adopting electrolyte-assisted electrospinning.

2010 ◽  
Vol 204 (15) ◽  
pp. 2483-2486 ◽  
Author(s):  
D.K. Sarkar ◽  
N. Saleema
Keyword(s):  

2015 ◽  
Vol 3 (41) ◽  
pp. 20500-20507 ◽  
Author(s):  
Zuosheng Peng ◽  
Yangdong Zhang ◽  
Yuxin Xia ◽  
Kang Xiong ◽  
Chaosheng Cai ◽  
...  

A facile method is reported which involves blending a conjugated electron-extraction polymer with photoactive materials to simplify the fabrication process.


2020 ◽  
Vol 21 (12) ◽  
pp. 4224
Author(s):  
Wenxiu Yang ◽  
Yonggui Li ◽  
Long Feng ◽  
Yimiao Hou ◽  
Shuo Wang ◽  
...  

Photothermal conversion materials have attracted wide attention due to their efficient utilization of light energy. In this study, a (GO)/Bi2S3-PVDF/TPU composite nanofiber membrane was systematically developed, comprising GO/Bi2S3 nanoparticles (NPs) as a photothermal conversion component and PVDF/TPU composite nanofibers as the substrate. The GO/Bi2S3 NPs were synthesized in a one-step way and the PVDF/TPU nanofibers were obtained from a uniformly mixed co-solution by electrospinning. GO nanoparticles with excellent solar harvesting endow the GO/Bi2S3-PVDF/TPU membrane with favorable photothermal conversion. In addition, the introduction of Bi2S3 NPs further enhances the broadband absorption and photothermal conversion properties of the GO/Bi2S3-PVDF/TPU composite membrane due to its perfect broadband absorption performance and coordination with GO. Finally, the results show that the GO/Bi2S3-PVDF/TPU composite membrane has the highest light absorption rate (about 95%) in the wavelength range of 400–2500 nm. In the 300 s irradiation process, the temperature changes in the GO/Bi2S3-PVDF/TPU composite membrane were the most significant and rapid, and the equilibrium temperature of the same irradiation time was 81 °C. Due to the presence of TPU, the mechanical strength of the composite film was enhanced, which is beneficial for its operational performance. Besides this, the morphology, composition, and thermal property of the membranes were evaluated by corresponding test methods.


2020 ◽  
Vol 320 ◽  
pp. 201-213 ◽  
Author(s):  
Xiaochen Liu ◽  
Wenxin Zhang ◽  
Yabing Wang ◽  
Yunong Chen ◽  
Jian Xie ◽  
...  

2018 ◽  
Vol 54 (26) ◽  
pp. 3251-3254 ◽  
Author(s):  
J. A. Peñafiel-Castro ◽  
B. Hahn ◽  
R. L. Maltez ◽  
G. Knörnschild ◽  
P. Allongue ◽  
...  

Direct incorporation of Li during the growth of anodic TiO2 was achieved by a one-step fabrication process.


2020 ◽  
Vol 12 ◽  
Author(s):  
Zhi Liu ◽  
Li Xia ◽  
Lihua Zou ◽  
Huizhen Ke

Aims: Research of the effect of silk sericin content on the morphology and structure of electrospun silk nanofibrous membrane. Background: Silk sericin has significant influence on the silk solution and regenerated silk-based materials property, while few reports were found to investigate. Objective: We'll know the effect of silk sericin content on the morphology and structure of electrospun silk nanofibrous membrane. Methods: Four degumming conditions (none degumming, boiling water degumming, 0.05 % Na2CO3 degumming, 0.5 % Na2CO3 degumming) were carried out a systematic investigation in terms of silk sericin content after degumming, regenerated silk nanofibrous membrane morphology (SEM) and structure property (FTIR, XRD). Result: The results show that 0.5 % Na2CO3 degumming results poor spinnability. The solution derives from none degumming and boiling water degumming present high viscosity, leading to a hard silk nanofiber fabrication process. The silk nanofiber from the 0.05 % Na2CO3 degumming shows easier fabrication process and better nanofiber morphology. Conclusion: We successfully prepared silk nanofiber membrane with different sericin content. The sericin content significantly affects the spinnability and subsequent nanofiber morphology. Higher sericin content leads to poor solution spinnability and numerous droplets on resulting nanofiber membrane. Additionally, the sericin can both existence of structural silk I and silk II, which will favor to the increase of mechanical property.


2020 ◽  
Vol 49 (5) ◽  
pp. 355-361
Author(s):  
Wenxiu Yang ◽  
Lin Li ◽  
Shuo Wang ◽  
Jinshu Liu

Purpose The purpose of this paper is to fabricate a high-performance filtration electrospun nanofiber membrane with antibacterial function. The Ag nanoparticles (AgNPs) gotten by reducing AgNO3 act as antimicrobial agent. Then the AgNPs/Polyacrylonitrile (AgNPs/PAN) composite nanofiber membrane was prepared by electrospinning. Design/methodology/approach The electrospun Ag/PAN composite membrane was prepared by one step, in which the Ag particles were acting as antibacterial agent and PAN nanofiber as the upholder of the composite mat. AgNPs were obtained by reducing AgNO3 in N,N-Dimethylformamide (DMF) solution at high temperature. Meanwhile, the PAN particles were added to DMF solution and dissolved. Then the Ag/PAN nanofiber was obtained by electrospinning. Findings The thinner nanofiber can be produced with PAN concentration of 12 per cent and AgNPs concentration of 10 per cent. Finally, the filtration resistance of the composite membrane with antibacterial property is as high as 99.1 per cent, and the filtration efficiency is only 83 Pa. Therefore, the AgNPs/PAN composite membrane is the ideal choice for air filtration with antibacterial property. Originality/value The AgNPs/PAN composite nanofiber membrane has high filtration performance for particulate matter (PM)25 and outstanding antibacterial property to Escherichia coli and Staphylococcus aureus, which can be used with masks, air-conditioning filters (including car air-conditioning filters), window screening and other similar objects.


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